This is reliable and easy-to-use women’s calendar. It calculates the days within the menstrual cycle with high and low chances of conception, thus helping avoid unwanted pregnancies or, on the opposite, conceive a child

Simple, easy to use program to track menstrual periods and predict future dates. Simple, easy to use program that allows women to enter their period each month and predict likely start of next period, likely date of ovulation, and likely fertile window. Program icon courtesy of www.thaphlash